/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.lvyh.lightframe.tracer.plugin.springmvc;


import com.lvyh.lightframe.tracer.core.common.AbstractTracer;
import com.lvyh.lightframe.tracer.core.samplers.TraceSamplerConfig;

public class SpringMvcTracer extends AbstractTracer {

    private volatile static SpringMvcTracer springMvcTracer = null;

    public static SpringMvcTracer getSpringMvcTracer(TraceSamplerConfig traceSamplerConfig) {
        if (springMvcTracer == null) {
            synchronized (SpringMvcTracer.class) {
                if (springMvcTracer == null) {
                    springMvcTracer = new SpringMvcTracer(traceSamplerConfig);
                }
            }
        }
        return springMvcTracer;
    }

    protected SpringMvcTracer(TraceSamplerConfig traceSamplerConfig) {
        super(traceSamplerConfig);
    }

}